/usr/include/pegtl/trace.hh is in pegtl-dev 1.3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | // Copyright (c) 2014-2015 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/ColinH/PEGTL/
#ifndef PEGTL_TRACE_HH
#define PEGTL_TRACE_HH
#include <utility>
#include <iostream>
#include "parse.hh"
#include "normal.hh"
#include "nothing.hh"
#include "position_info.hh"
#include "internal/demangle.hh"
namespace pegtl
{
template< typename Rule >
struct tracer
: normal< Rule >
{
template< typename Input, typename ... States >
static void start( const Input & in, States && ... )
{
std::cerr << pegtl::position_info( in ) << " start " << internal::demangle< Rule >() << std::endl;
}
template< typename Input, typename ... States >
static void success( const Input & in, States && ... )
{
std::cerr << pegtl::position_info( in ) << " success " << internal::demangle< Rule >() << std::endl;
}
template< typename Input, typename ... States >
static void failure( const Input & in, States && ... )
{
std::cerr << pegtl::position_info( in ) << " failure " << internal::demangle< Rule >() << std::endl;
}
};
template< typename Rule, template< typename ... > class Action = nothing, typename Input, typename ... States >
bool trace_input( Input & in, States && ... st )
{
return parse_input< Rule, Action, tracer >( in, st ... );
}
template< typename Rule, template< typename ... > class Action = nothing, typename ... Args >
bool trace( Args && ... args )
{
return parse< Rule, Action, tracer >( std::forward< Args >( args ) ... );
}
} // pegtl
#endif
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